Black Air Activated Heating Ear Bands For Baseball Hats -Leatherbull(Free U.S. Shipping) Poly-Fleece Handy slip on and go protection from the cold for your ears and forehead that allows you to wear your favorite baseball cap a built-in HEAT PAX Mini/Hand Warmer pocket over each ea Soft, durable, 100% poly-fleece w/lycra and cotton-poly trim Special built-in elastic for a secure fit. Include one (1) pair of HEAT PAX Mini/Hand Warmers (5550) for up to 8 hours of comfort and protection from the cold